The FMNG1003 from Fairview Microwave is a Noise Source with Frequency 10 to 6000 MHz, Excess Noise Ratio (ENR) 26 dB, Flatness ±2 dB, Temperature Coefficient < 0.01 dB/ Degree C, Voltage Coefficient < 0.1 dB/%V. Tags: Module with Connector. More details for FMNG1003 can be seen below.